nitter/src/prefs_impl.nim
Zed de62eedea5 Refactor hostname to be a runtime option
Add a `hostname` field under Server in your conf file, see the
updated nitter.conf in the repo for an example. The compile-time
option (-d:hostname) is no longer used.
2019-10-21 05:19:00 +02:00

118 lines
3.3 KiB
Nim

import macros, tables, strutils, xmltree
type
PrefKind* = enum
checkbox, select, input
Pref* = object
name*: string
label*: string
case kind*: PrefKind
of checkbox:
defaultState*: bool
of select:
defaultOption*: string
options*: seq[string]
of input:
defaultInput*: string
placeholder*: string
# TODO: write DSL to simplify this
const prefList*: OrderedTable[string, seq[Pref]] = {
"Privacy": @[
Pref(kind: input, name: "replaceTwitter",
label: "Replace Twitter links with Nitter (blank to disable)",
defaultInput: "nitter.net", placeholder: "Nitter hostname"),
Pref(kind: input, name: "replaceYouTube",
label: "Replace YouTube links with Invidious (blank to disable)",
defaultInput: "invidio.us", placeholder: "Invidious hostname")
],
"Media": @[
Pref(kind: checkbox, name: "mp4Playback",
label: "Enable mp4 video playback",
defaultState: true),
Pref(kind: checkbox, name: "hlsPlayback",
label: "Enable hls video streaming (requires JavaScript)",
defaultState: false),
Pref(kind: checkbox, name: "proxyVideos",
label: "Proxy video streaming through the server (might be slow)",
defaultState: true),
Pref(kind: checkbox, name: "muteVideos",
label: "Mute videos by default",
defaultState: false),
Pref(kind: checkbox, name: "autoplayGifs", label: "Autoplay gifs",
defaultState: true)
],
"Display": @[
Pref(kind: checkbox, name: "hideTweetStats",
label: "Hide tweet stats (replies, retweets, likes)",
defaultState: false),
Pref(kind: checkbox, name: "hideBanner", label: "Hide profile banner",
defaultState: false),
Pref(kind: checkbox, name: "stickyProfile",
label: "Make profile sidebar stick to top",
defaultState: true)
]
}.toOrderedTable
iterator allPrefs*(): Pref =
for k, v in prefList:
for pref in v:
yield pref
macro genDefaultPrefs*(): untyped =
result = nnkObjConstr.newTree(ident("Prefs"))
for pref in allPrefs():
let default =
case pref.kind
of checkbox: newLit(pref.defaultState)
of select: newLit(pref.defaultOption)
of input: newLit(pref.defaultInput)
result.add nnkExprColonExpr.newTree(ident(pref.name), default)
macro genUpdatePrefs*(): untyped =
result = nnkStmtList.newTree()
for pref in allPrefs():
let ident = ident(pref.name)
let value = nnkPrefix.newTree(ident("@"), newLit(pref.name))
case pref.kind
of checkbox:
result.add quote do: prefs.`ident` = `value` == "on"
of input:
result.add quote do: prefs.`ident` = xmltree.escape(strip(`value`))
of select:
let options = pref.options
let default = pref.defaultOption
result.add quote do:
if `value` in `options`: prefs.`ident` = `value`
else: prefs.`ident` = `default`
result.add quote do:
cache(prefs)
macro genPrefsType*(): untyped =
let name = nnkPostfix.newTree(ident("*"), ident("Prefs"))
result = quote do:
type `name` = object
id* {.pk, ro.}: int
for pref in allPrefs():
result[0][2][2].add nnkIdentDefs.newTree(
nnkPostfix.newTree(ident("*"), ident(pref.name)),
(case pref.kind
of checkbox: ident("bool")
of input, select: ident("string")),
newEmptyNode())